internal DataGridCellInfo(ItemInfo info, DataGridColumn column)
{
this.RowItemInfo = info;
this.Column = column;
}
/// <summary>
/// Attempts to bring the specified <see cref="DataGridColumn"/> into view asynchronously.
/// </summary>
/// <param name="column">The column to attempt to scroll to.</param>
public void ScrollColumnIntoView(DataGridColumn column)
{
this.ScrollColumnIntoView(column, null);
}
/// <summary>
/// Called during DataGrid column resize operation.
/// </summary>
/// <param name="column">The specified column.</param>
/// <param name="initialColumnSize">The initial size of the column.</param>
/// <param name="totalResizeChange">The value by which the size is changed.</param>
public virtual void OnColumnResizing(DataGridColumn column, double initialColumnSize, double totalResizeChange)
{
column.Width = Math.Max(column.HeaderControl.MinWidth, initialColumnSize + totalResizeChange);
}
/// <summary>
/// Initializes a new instance of the <see cref="DataGridCellInfo" /> class.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="column">The column.</param>
public DataGridCellInfo(object item, DataGridColumn column)
{
this.Item = item;
this.Column = column;
}
/// <summary>
/// Determines whether this Grid can start resize the specified column.
/// </summary>
/// <param name="column">The specified column.</param>
/// <returns>Whether resize operation can start.</returns>
public virtual bool CanStartResize(DataGridColumn column)
{
return(column.CanUserResize);
}
/// <summary>
/// Called when DataGrid started column resize operation.
/// </summary>
/// <param name="column">The specified column.</param>
public virtual void OnColumnResizeStarted(DataGridColumn column)
{
column.SizeMode = DataGridColumnSizeMode.Fixed;
column.Width = column.ActualWidth;
}
/// <summary>
/// Called when column is grouped.
/// </summary>
/// <param name="column">The column.</param>
public virtual void OnGroupedBy(DataGridColumn column)
{
}
/// <summary>
/// Determines whether this Grid can start reorder the specified column.
/// </summary>
/// <param name="column">The specified column.</param>
/// <returns>Whether reorder operation can start.</returns>
public virtual bool CanStartReorder(DataGridColumn column)
{
return(this.Owner.UserColumnReorderMode == DataGridUserColumnReorderMode.Interactive && column.CanUserReorder);
}
/// <summary>
/// Called when DataGrid column is reordered.
/// </summary>
/// <param name="sourceColumn">The source column.</param>
/// <param name="destinationColumn">The destination column.</param>
public virtual void OnReordered(DataGridColumn sourceColumn, DataGridColumn destinationColumn)
{
}
/// <summary>
/// Called when column drag started.
/// </summary>
/// <param name="column">The column.</param>
public virtual void OnDragStarted(DataGridColumn column)
{
}
/// <inheritdoc/>
public virtual void OnColumnResizeHandleDoubleTapped(DataGridColumn column)
{
column.Width = DataGridColumn.DefaultWidth;
column.SizeMode = DataGridColumnSizeMode.Auto;
}
/// <summary>
/// Called when the column resize operation completes.
/// </summary>
/// <param name="column">The resized column.</param>
/// <param name="widthChange">The column width change. Can be negative when the column size has been reduced.</param>
public virtual void OnColumnResizeEnded(DataGridColumn column, double widthChange)
{
}
/// <summary>
/// Called during DataGrid column resize operation.
/// </summary>
/// <param name="column">The specified column.</param>
public virtual void OnColumnResizing(DataGridColumn column, double initialColumnSize, double totalResizeChange)
{
column.Width = Math.Max(DataGridColumn.DefaultWidth, initialColumnSize + totalResizeChange);
}
